Look for ATTRIB events for notifications updates; remove "Pickup" menu

Picking up call can be done from both dunst notification & notifications menu;
so for more consistency / less bugs the Pickup menu entry has been removed.

scripts/core/sxmo_notificationsmenu.sh

@@ -1,32 +0,0 @@
-#!/usr/bin/env sh
-NOTIFDIR="$XDG_CONFIG_HOME"/sxmo/notifications
-
-notificationmenu() {
-	CHOICES="Close Menu"
-	for NOTIFFILE in "$NOTIFDIR"/*; do
-		NOTIFMSG="$(tail -n+3 "$NOTIFFILE" | tr "\n^" " ")"
-		NOTIFHRANDMIN="$(stat --printf %y "$NOTIFFILE" | grep -oE '[0-9]{2}:[0-9]{2}')"
-		CHOICES="
-			$CHOICES
-			$NOTIFHRANDMIN - $NOTIFMSG ^ $NOTIFFILE
-		"
-	done
-
-	PICKEDCONTENT="$(
-		printf "%b" "$CHOICES" |
-		xargs -0 echo |
-		sed '/^[[:space:]]*$/d' |
-		awk '{$1=$1};1' |
-		cut -d^ -f1 | 
-		dmenu -c -i -fn "Terminus-18" -p "Notifs" -l 10
-	)"
-
-	[ "$PICKEDCONTENT" = "Close Menu" ] && exit 1
-
-	PICKEDNOTIFFILE="$(echo "$CHOICES" | grep "$PICKEDCONTENT" | cut -d^ -f2 | tr -d ' ')"
-	NOTIFACTION="$(head -n1 "$PICKEDNOTIFFILE")"
-	eval "$NOTIFACTION" &
-	rm "$PICKEDNOTIFFILE"
-}
-
-notificationmenu